Prothyma (Genoprothyma) banksi Horn, 1923

Wiesner, Jürgen & Anichtchenko, Alexander, 2023, The Philippines species of the genus Prothyma Hope, 1838 (Coleoptera: Cicindelidae) Part 1: Subgenera Prothyma Hope, 1838, Genoprothyma Rivalier, 1964 and Parasymplecthyma subgen. nov., Zootaxa 5315 (1), pp. 1-36 : 7-9

Prothyma (Genoprothyma) banksi Horn, 1923 ( Fig. 4 )

Prothyma banksi Horn 1923: 360 , 361.

Type locality. “Insula Panay, antique, Culasi”.

Prothyma Banksi: Horn 1926: 99 .

Prothyma (Genoprothyma) Banksi: Rivalier 1964: 159 .

Prothyma (Genoprothyma) banksi: Wiesner 1980: 124 ; Wiesner 1992: 58; Cabras, Cabigas and Wiesner 2016: 193; Wiesner 2020: 139.

Type material. Lectotype (here designated) female: “Panay Culasi / R. C. McGregor // Syntypus [printed, red] // Type / W. Horn // LECTOTYPE / Prothyma banksi / W. Horn, 1923 / design. Wiesner & / Anichtchenko 2022 [printed, red]” ( SDEI).

Other material examined. 1 female: “ x.2018 / Antique / Panay Island / Philippines ” . 1 female: “ xi.2018 / Culasi / Panay Is. / Philippines ” ( JWc) . 1 female: “ xi.2018 / Antique / Panay Island / Philippines ” (WJc) ; 4 females: “ Filippine – Panay / Antique Pr. / 2018 August ” (RSc) .

Diagnosis. Prothyma (Genoprothyma) banksi is distinguished from the other members of the subgenus by: 1, its large body size; 2, dark color of the antennae; 3, nearly black color of head and elytra.

Description. Size: TL (without labrum) 13.9–15.1 mm (mean = 14.5 mm, n = 4).

Head: Color shining black; with greenish or reddish reflections; genae with blue reflections; surface glabrous, with two setigerous punctures next to eye, one along frontal margin and one dorsally at center; strong longitudinal striae on orbital plates and vertex; strong longitudinally transverse striae behind the eyes and on neck; with a Ushaped sulcus between the orbital plates on disc; genae, frons and clypeus extinguishing striated. Head slightly wider than elytra (mean EW/HW = 0.9). Labrum of female ( Fig. 11b ) ochre-testaceous, margins black, area between the three apical teeth bilobed, basomedian area black, as long as wide (mean LW/LL = 1.0), with four setae located near the margin, two laterally and two apically; with two blunt anterolateral teeth and two anteriorly-directed thorn-like anterior teeth at the anteromedian lobe, intermediate space with a large triangular tooth. Mandibles dark brownish, with four teeth, small area of base testaceous. Labial and maxillary palpi testaceous, the last segment black. Antennae of female slender, reaching behind the elytral shoulders; scape (antennomere 1) weakly lighter apically, in the rest shining black; antennomeres 2–4 shining black; antennomeres 5–11 brownish-black, dull, finely, and evenly pubescent.

Thorax: Pronotum slightly longer than wide (mean PW/PL = 0.9); sides not rounded between the transversal constrictions, nearly parallel sided; glabrous, with transverse wrinkles on disc; black with greenish or reddish reflections marginally; transversal constrictions with blue green reflections; sternae and episternae glabrous, shiny black; mesepisternum of females with a short, shallow longitudinal furrow in upper part.

Elytra: ( Fig. 4b ) slightly more than twice as long as wide (mean EL/EW = 2.1), parallel-sided, with a flattened basal hump and a shallow depression next to the lateromedial dot, dorsal surface shining black margins with greenish-blue or red reflections; testaceous elytral maculation consist of humeral, lateromedial and preapical dots; the humeral dot is small and brownish testaceous; the lateromedial dot is ochre-testaceous, elongated, and obliquely backward; the preapical dot is ochre-testaceous, elongated, and obliquely forward; surface with dense punctures, becoming confluent and forming grooves; these grooves are deep in the apical quarter of the elytra nearest the suture, shallower in the following area up to the tip of the lateromedial spot, along the margin the punctures are isolated; apical margin distinctly rounded and restricted towards middle suture, with a tiny sutural spine. Epipleurae black.

Ventral aspect: Venter glabrous, black, with bluish reflections; trochanter glabrous, coxa, femur, tibia, and tarsi setose; trochanter, coxa, and basal part of femur testaceous ( Fig. 4b ), remainder of legs black.

Aedeagus. Male unknown.

Distribution. PANAY— Antique: Culasi.

Remarks. Males of P. banksi have not been described.

Figures

FIGURE 4. Prothyma (Genoprothyma) banksi Horn, 1923. (a) Dorsal habitus of lectotype female. Scale = 5 mm. (b) Color variability of left elytron and femora (Photo by Riccardo Sciaky). Scale = 5 mm. (c) Labrum of female LT. Scale = 1 mm.

FIGURE 11. Prothyma (Genoprothyma) lucidicollis (Chaudoir, 1869), lectotype.(a) Dorsal habitus.Photo byAzadeh Taghavian. Scale = 5 mm. (b) Labrum. Scale = 1 mm. (c) Aedeagus, left lateral view. Scale = 1 mm. [Drawing from Rivalier 1964: 155, f. 15c].